Acrochaetiaceae FH: 00550986 Acrochaetium sagraeanum (Montagne) Bornet USA: Connecticut Stratford: [data not captured] I. Holden 1892-8-28
FH: 00550987 Acrochaetium sagraeanum (Montagne) Bornet USA: Connecticut Stratford: [no additional data] I. Holden 1892-9
FH: 00550997 Acrochaetium secundatum (Lyngbye) Nägeli USA: Connecticut [data not captured] I. Holden 849 1893-7-27
FH: 00550998 Acrochaetium secundatum (Lyngbye) Nägeli USA: Connecticut Bridgeport: [no additional data] I. Holden
NEBC: 00909424 Rhodochorton rothii (Turton) Nägeli USA: Maine [data not captured] I. Holden 1890-8-7
Adiantaceae GH: 00681522 Pellaea atropurpurea (Linnaeus) Link USA: Connecticut New Milford: New Milford I. Holden 1889-7-28
GH: 00681525 Pellaea atropurpurea (Linnaeus) Link USA: Connecticut Salisbury: Salisbury I. Holden 1892-8-21
NEBC: 00681529 Pellaea atropurpurea (Linnaeus) Link USA: Connecticut New Milford: New Milford I. Holden 1889-7-28
GH: 00681534 Pellaea atropurpurea (Linnaeus) Link USA: Connecticut Trumbull: Trumbull I. Holden 1884-7-28
GH: 00631663 Pellaea atropurpurea (Linnaeus) Link USA: Connecticut Trumbull: Trumbull I. Holden 1884-7-28
NEBC: 00681536 Pellaea atropurpurea (Linnaeus) Link USA: Connecticut Trumbull: Trumbull I. Holden 1884-7-28
Alariaceae FH: 00819898 Alaria esculenta (Linnaeus) Greville USA: Maine Mount Desert Island: [no additional data] I. Holden 1889-8
FH: 00819856 Alaria sp. Canada: Newfoundland & Labrador Saint John's (Newfoundland & Labroador, Cana... I. Holden 1897-7-14
Anadyomenaceae FH: 00550078 Anadyomene stellata (Wulfen) C. Agardh USA: Florida [data not captured] I. Holden 1887-2-25
Aspidiaceae GH: 00627739 Polystichum acrostichoides (Michaux) Schott USA: Connecticut Bridgeport: Bridgeport I. Holden 1888-6-10
Aspleniaceae GH: 00681695 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
NEBC: 00681697 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
NEBC: 00577914 Asplenium rhizophyllum Linnaeus USA: Connecticut Gaylordsville I. Holden 1889-7-28
GH: 00681814 Asplenium ruta-muraria Linnaeus USA: Connecticut Salisbury: Salisbury I. Holden 1892-8-21
NEBC: 00681826 Asplenium ruta-muraria Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1889-7-28
GH: 00631648 Asplenium trichomanes Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
NEBC: 00631650 Asplenium trichomanes Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
NEBC: 00909545 Phyllitis fascia (O. F. Müller) Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-17
Athyriaceae GH: 00668876 Athyrium filix-femina angustum (Willdenow) G. Lawson USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-24
GH: 00551425 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Connecticut Lanesville I. Holden 1887-8-19
NEBC: 00551426 Cystopteris bulbifera (Linnaeus) Bernhardi USA: Connecticut Lanesville I. Holden 1887-8-19
GH: 00746685 Cystopteris tenuis (Michaux) Desvaux USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
GH: 00551672 Deparia acrostichoides (Swartz) M. Kato USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-31
GH: 00695476 Gymnocarpium dryopteris (Linnaeus) Newman USA: Connecticut West Stratford I. Holden 1888-6-24
GH: 00695477 Gymnocarpium dryopteris (Linnaeus) Newman USA: Connecticut Stratford: Stratford I. Holden 1887-8-7
NEBC: 00695480 Gymnocarpium dryopteris (Linnaeus) Newman USA: Connecticut Stratford: Stratford I. Holden 1888-7-1
GH: 00695901 Onoclea sensibilis Linnaeus USA: Connecticut Derby: Derby I. Holden 1887
GH: 00695904 Onoclea sensibilis Linnaeus USA: Connecticut West Stratford I. Holden 1887-7-27
Bangiaceae FH: 00777808 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Connecticut Bridgeport: [no additional data] I. Holden
FH: 00777810 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Connecticut Bridgeport: [no additional data] I. Holden
FH: 00777818 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Massachusetts Woods Hole: [data not captured] I. Holden 1894-8
NEBC: 00909415 Bangia fuscopurpurea (Dillwyn) Lyngbye USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-11
FH: 00809029 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Bridgeport: Cooks Point I. Holden 1893-4-16
FH: 00809105 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Bridgeport: [no additional data] I. Holden 1890-2-23
FH: 00809107 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Bridgeport: Cooks Point I. Holden 1895-4-14
FH: 00809106 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Bridgeport: Cook's Point I. Holden 1895-4-14
FH: 00809003 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Bridgeport: Seaside Park I. Holden 1893-1-2
FH: 00809004 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Middle Ground Light, L. I. Sound I. Holden 1890-6-15
FH: 00809005 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Bridgeport: Seaside Park I. Holden 1891-1-18
FH: 00809053 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Bridgeport: Seaside Park I. Holden 1895-3-10
FH: 00912829 Porphyra atropurpurea (Olivi) De Toni USA: Connecticut Bridgeport: Cook's Point I. Holden 1893-4-16
FH: 00809029 Porphyra leucosticta Thuret USA: Connecticut Bridgeport: Cooks Point I. Holden 1893-4-16
FH: 00809105 Porphyra leucosticta Thuret USA: Connecticut Bridgeport: [no additional data] I. Holden 1890-2-23
FH: 00809107 Porphyra leucosticta Thuret USA: Connecticut Bridgeport: Cooks Point I. Holden 1895-4-14
FH: 00809106 Porphyra leucosticta Thuret USA: Connecticut Bridgeport: Cook's Point I. Holden 1895-4-14
FH: 00809003 Porphyra leucosticta Thuret USA: Connecticut Bridgeport: Seaside Park I. Holden 1893-1-2
FH: 00809004 Porphyra leucosticta Thuret USA: Connecticut Middle Ground Light, L. I. Sound I. Holden 1890-6-15
FH: 00809005 Porphyra leucosticta Thuret USA: Connecticut Bridgeport: Seaside Park I. Holden 1891-1-18
FH: 00809053 Porphyra leucosticta Thuret USA: Connecticut Bridgeport: Seaside Park I. Holden 1895-3-10
FH: 00912829 Porphyra leucosticta Thuret USA: Connecticut Bridgeport: Cook's Point I. Holden 1893-4-16
FH: 00809036 Porphyra linearis Greville Canada: Newfoundland & Labrador Torbay, Newfoundland I. Holden 1897-7-30
FH: 00809040 Porphyra linearis Greville Canada: Newfoundland & Labrador Torbay, Newfoundland I. Holden 1897-7-30
NEBC: 00909506 Porphyra sp. USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-8
Batrachospermaceae FH: 00777919 Batrachospermum boryanum Sirodot USA: Connecticut Bridgeport: [no additional data] I. Holden 1889-5-19
FH: 00777920 Batrachospermum boryanum Sirodot USA: Connecticut Bridgeport: [data not captured] I. Holden 1890-2-16
FH: 00777932 Batrachospermum boryanum Sirodot USA: Connecticut Stratford: [no additional data] I. Holden 1891-3-27
FH: 00777933 Batrachospermum boryanum Sirodot USA: Connecticut Easton: [no additional data] I. Holden 1886-5-9
FH: 00777940 Batrachospermum boryanum Sirodot USA: Connecticut Stratford: [no additional data] I. Holden 1886-4-23
FH: 00777975 Batrachospermum ectocarpum Sirodot USA: Connecticut Bridgeport: [no additional data] I. Holden 1890-3-2
FH: 00778185 Batrachospermum keratophytum chalybeum P. Crouan & H. Crouan USA: Connecticut Bridgeport: [data not captured] I. Holden 218 1890-12-14
FH: 00778186 Batrachospermum keratophytum chalybeum P. Crouan & H. Crouan USA: Connecticut Bridgeport: [data not captured] I. Holden 1891-2-1
FH: 00778078 Batrachospermum moniliforme Roth USA: Connecticut Bridgeport: [data not captured] I. Holden 1890-5-30
FH: 00778133 Batrachospermum moniliforme Roth USA: Connecticut Bridgeport: [data not captured] I. Holden 1890-12-14
NEBC: 00909399 Batrachospermum pyramidale Sirodot USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-2
FH: 00778017 Batrachospermum sp. USA: Connecticut [data not captured] I. Holden 1890-1-19
FH: 00778018 Batrachospermum sp. USA: Connecticut [no additional data] I. Holden 1889-4-28
FH: 00778020 Batrachospermum sp. USA: Connecticut Bridgeport: [no additional data] I. Holden 1889-4-28
FH: 00778021 Batrachospermum sp. USA: Connecticut Bridgeport: [data not captured] I. Holden 1889-12-25
FH: 00778023 Batrachospermum sp. USA: Connecticut Easton: [no additional data] I. Holden 1886-5-9
FH: 00778025 Batrachospermum sp. USA: Connecticut Easton: [no additional data] I. Holden 1886-5-9
FH: 00778185 Batrachospermum vagum (Roth) C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 218 1890-12-14
FH: 00778186 Batrachospermum vagum (Roth) C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 1891-2-1
FH: 00778188 Batrachospermum vagum (Roth) C. Agardh USA: New York [data not captured] I. Holden 1896-8-24
NEBC: 00909570 Batrachospermum vagum (Roth) C. Agardh USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1890-8-7
FH: 00778188 Batrachospermum vagum tenuissimum Collins USA: New York [data not captured] I. Holden 1896-8-24
FH: 00778053 Batrachospermum virgatum Sirodot USA: Connecticut Bridgeport: [data not captured] I. Holden 1889-2-10
FH: 00778056 Batrachospermum virgatum Sirodot USA: Connecticut Bridgeport: [data not captured] I. Holden 1889-9-22
FH: 00778057 Batrachospermum virgatum Sirodot USA: Connecticut Bridgeport: [data not captured] I. Holden 1889-9-7
FH: 00778063 Batrachospermum virgatum Sirodot USA: Connecticut Stratford: [no additional data] I. Holden 1890-5-18
NEBC: 00909377 Tuomeya fluviatilis Harvey USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-7
NEBC: 00909378 Tuomeya fluviatilis Harvey USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-6
NEBC: 00909379 Tuomeya fluviatilis Harvey USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-11
Blechnaceae GH: 00628354 Woodwardia areolata (Linnaeus) T. Moore USA: Connecticut Stratford: Stratford I. Holden 1883-8-30
GH: 00628356 Woodwardia areolata (Linnaeus) T. Moore USA: Connecticut Stratford: Stratford I. Holden 1887-8-25
GH: 00628357 Woodwardia areolata (Linnaeus) T. Moore USA: Connecticut Stratford: Stratford I. Holden 1887-8-25
GH: 00652793 Woodwardia virginica (Linnaeus) Smith USA: Connecticut Bridgeport: Bridgeport I. Holden 1889-8-4
GH: 00652795 Woodwardia virginica (Linnaeus) Smith USA: Connecticut Bridgeport: Bridgeport I. Holden 1889-8-4
Brongniartelleae FH: 00778648 Brongniartella mucronata (Harvey) F. Schmitz USA: Florida Key West: [no additional data] I. Holden 1887-2-15
Bryopsidaceae FH: 00550340 Bryopsis duchassaingii J. Agardh USA: Florida [no additional data] I. Holden 1887-2-14
FH: 00550341 Bryopsis duchassaingii J. Agardh USA: Florida [no additional data] I. Holden 1887-2-14
FH: 00550477 Bryopsis plumosa (Hudson) C. Agardh USA: Connecticut Long Island: [data not captured] I. Holden 1889-6-9
Callithamniaceae FH: 00618695 Crouania attenuata (C. Agardh) J. Agardh USA: Florida Key West: [no additional data] I. Holden 1897-2-12
Caulerpaceae FH: 00777300 Ahnfeldtia plicata (Hudson) Fries USA: Maine Mt. Desert Island: [data not captured] I. Holden 1889-8-12
NEBC: 00909510 Ahnfeldtia plicata (Hudson) Fries USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-12
Ceramiaceae FH: 00550612 Antithamnion americanum (Harvey) Kjellman USA: Connecticut Long Island: [data not captured] I. Holden 1888-5-6
FH: 00550618 Antithamnion americanum (Harvey) Kjellman USA: Connecticut Bridgeport: [no additional data] I. Holden
FH: 00550637 Antithamnion americanum (Harvey) Kjellman USA: Connecticut Bridgeport: [no additional data] I. Holden 1888-1-2
FH: 00550670 Antithamnion cruciatum (C. Agardh) Nägeli USA: Connecticut Bridgeport: [no additional data] I. Holden 1888-8-5
FH: 00778871 Callithamnion baileyi Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 1889-3-31
FH: 00778874 Callithamnion baileyi Harvey USA: Connecticut [data not captured] I. Holden 1885-12-20
FH: 00778875 Callithamnion baileyi Harvey USA: Connecticut [data not captured] I. Holden 1885-12-27
FH: 00778876 Callithamnion baileyi Harvey USA: Connecticut [data not captured] I. Holden 1885-12-20
FH: 00778879 Callithamnion baileyi Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 1888-1-2
FH: 00778880 Callithamnion baileyi Harvey USA: Connecticut Fairfield: [data not captured] I. Holden 1886-8-27
FH: 00778881 Callithamnion baileyi Harvey USA: Connecticut [data not captured] I. Holden 1885-12-25
FH: 00778882 Callithamnion baileyi Harvey USA: Connecticut [data not captured] I. Holden 1886-8-11
FH: 00778884 Callithamnion baileyi Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 1889-1-11
FH: 00976458 Callithamnion baileyi Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 296 1888-1-2
FH: 00976462 Callithamnion baileyi Harvey USA: Connecticut Long Island: Middleground Light I. Holden 1886-8-11
FH: 00776189 Callithamnion roseum (Roth) Lyngbye USA: Connecticut Bridgeport: [no additional data] I. Holden 1888-8-5
FH: 00778840 Callithamnion sp. USA: Connecticut [data not captured] I. Holden 1885-12-27
FH: 00789420 Centroceras clavulatum (C. Agardh) Montagne USA: Florida Key West: [no additional data] I. Holden 1887-2-16
FH: 00789434 Centroceras clavulatum (C. Agardh) Montagne USA: Florida Key West: [no additional data] I. Holden 1887-2-12
Ceramieae FH: 00789271 Ceramium arachnoideum (C. Agardh) J. Agardh USA: Florida Key West: [no additional data] I. Holden 1887-2-14
FH: 00789293 Ceramium botryocarpum A.W.Griffiths ex Harvey USA: Connecticut Bridgeport: [data not captured] I. Holden 1901-7-31
FH: 00789296 Ceramium botryocarpum A.W.Griffiths ex Harvey USA: Connecticut Bridgeport: [data not captured] I. Holden 1888-7-14
FH: 00789297 Ceramium botryocarpum A.W.Griffiths ex Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 1888-8-12
FH: 00789298 Ceramium botryocarpum A.W.Griffiths ex Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 1886-7-25
FH: 00789299 Ceramium botryocarpum A.W.Griffiths ex Harvey USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-8-3
FH: 00789340 Ceramium capricornu (Reinsch) Farlow USA: Connecticut Bridgeport: [data not captured] I. Holden 1890-10-26
FH: 00789341 Ceramium capricornu (Reinsch) Farlow USA: Connecticut Bridgeport: [data not captured] I. Holden 1890-10-26
FH: 00789420 Ceramium clavulatum C. Agardh USA: Florida Key West: [no additional data] I. Holden 1887-2-16
FH: 00789434 Ceramium clavulatum C. Agardh USA: Florida Key West: [no additional data] I. Holden 1887-2-12
FH: 00789697 Ceramium fastigiatum Harvey USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-8-16
NEBC: 00909410 Ceramium hooperi Harvey USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-12
FH: 00789917 Ceramium rubrum C. Agardh USA: Connecticut Bridgeport: [no additional data] I. Holden 1886-8-20
FH: 00789926 Ceramium rubrum C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-7-10
FH: 00789933 Ceramium rubrum C. Agardh USA: Maine [data not captured] I. Holden 1886-8-14
FH: 00789936 Ceramium rubrum C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-5-10
FH: 00789992 Ceramium rubrum C. Agardh USA: Massachusetts Nahant: [no additional data] I. Holden 1887-9-11
NEBC: 00909489 Ceramium rubrum C. Agardh USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-8
FH: 00788105 Ceramium rubrum decurrens J. Agardh USA: Connecticut Long Island: [data not captured] I. Holden 1887-5-15
FH: 00788106 Ceramium rubrum decurrens J. Agardh USA: Connecticut Long Island: [data not captured] I. Holden 1887-5-15
FH: 00788119 Ceramium rubrum proliferum C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-7-10
FH: 00618067 Ceramium rubrum corymbosum Collins USA: Connecticut Long Island: [data not captured] I. Holden 1887-5-12
FH: 00788201 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-7-21
FH: 00788202 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-10-4
FH: 00788203 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-9-19
FH: 00788204 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Milford: [data not captured] I. Holden 1885-8-8
FH: 00788205 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-10-18
FH: 00788210 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-11-15
FH: 00788211 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-10-3
FH: 00788212 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Branford: [data not captured] I. Holden 1885-8-22
FH: 00788213 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [no additional data] I. Holden 1886-7-25
FH: 00788214 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-7-25
FH: 00788215 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Norwalk: [data not captured] I. Holden 1888-8-19
FH: 00788216 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [no additional data] I. Holden 1888-8-12
FH: 00788218 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Branford: [data not captured] I. Holden 1886-8-26
FH: 00788219 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-8-26
FH: 00788220 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-8-15
FH: 00788225 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-9-27
FH: 00788226 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1894-10-7
FH: 00788232 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-9-12
FH: 00788233 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Southport: [no additional data] I. Holden 1886-8-14
FH: 00788234 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1891-7-19
FH: 00788235 Ceramium strictum (Kützing) Rabenhorst USA: Connecticut Bridgeport: [data not captured] I. Holden 1891-7-25
FH: 00789271 Ceramium tenuicorne (Kützing) Waern USA: Florida Key West: [no additional data] I. Holden 1887-2-14
FH: 00788242 Ceramium tenuissimum (Roth) Areschoug USA: Connecticut Bridgeport: [data not captured] I. Holden 1885
FH: 00788245 Ceramium tenuissimum (Roth) Areschoug USA: Connecticut Bridgeport: [no additional data] I. Holden
FH: 00618075 Ceramium tenuissimum patentissimum (Harvey) Farlow USA: Connecticut Milford: [data not captured] I. Holden 1890-9-21
Champiaceae FH: 00788432 Champia parvula (C. Agardh) Harvey USA: Connecticut Bridgeport: [data not captured] I. Holden 1885
FH: 00788435 Champia parvula (C. Agardh) Harvey USA: Connecticut Bridgeport: [data not captured] I. Holden 1885
FH: 00788437 Champia parvula (C. Agardh) Harvey USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-10-18
FH: 00788438 Champia parvula (C. Agardh) Harvey USA: Connecticut Thimble Island: [no additional data] I. Holden 1888-8-26
FH: 00618237 Chylocladia uncinata (Meneghini) Meneghini USA: Connecticut Bridgeport: [data not captured] I. Holden 1886-9-4
FH: 00618238 Chylocladia uncinata (Meneghini) Meneghini USA: Connecticut Norwalk: [data not captured] I. Holden 1886-8-19
FH: 00909735 Gastroclonium reflexum (Chauvin) Kützing USA: Connecticut Bridgeport: Bridgeport, CT I. Holden
FH: 00909736 Gastroclonium reflexum (Chauvin) Kützing USA: Connecticut Bridgeport: Bridgeport, CT I. Holden 1886-8-3
Chondrieae FH: 00788615 Chondria baileyana (Montagne) Harvey USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-7-23
FH: 00788618 Chondria baileyana (Montagne) Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 1885-7-26
FH: 00788674 Chondria dasyphylla (Woodward) C.Agardh USA: Connecticut Thimble Island: [no additional data] I. Holden 1885-8-22
FH: 00788771 Chondria littoralis Harvey USA: Florida Key West: [no additional data] I. Holden 1887-2-16
FH: 00788772 Chondria littoralis Harvey USA: Florida Key West: [no additional data] I. Holden 1887-2-13
FH: 00788805 Chondria sedifolia Harvey USA: Florida Key West: [no additional data] I. Holden 1887-2-14
FH: 00788809 Chondria sedifolia Harvey USA: Florida Key West: [no additional data] I. Holden 1887-2-13
FH: 00788861 Chondria tenuissima (Withering) C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-7-23
FH: 00788863 Chondria tenuissima (Withering) C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 1895-8-21
FH: 00788865 Chondria tenuissima (Withering) C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 1885-8-1
FH: 00788866 Chondria tenuissima (Withering) C. Agardh USA: Connecticut Norwalk: [data not captured] I. Holden 1888-8-19
FH: 00788867 Chondria tenuissima (Withering) C. Agardh USA: Connecticut Bridgeport: [data not captured] I. Holden 1898-8-21
Chordariaceae NEBC: 00909573 Chordaria flagelliformis (O. F. Müller) C. Agardh USA: Maine Southwest Harbor: [data not captured] I. Holden 1889-8-10
NEBC: 00909583 Dictyosiphon foeniculaceus (Hudson) Greville USA: Maine Southwest Harbor: [no additional data] I. Holden 1890-8-2
NEBC: 00909578 Dictyosiphon hippuroides (Lyngbye) Kützing USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1889-8
NEBC: 00909557 Dictyosiphon sp. USA: Maine Mount Desert (Hancock County): [no additiona... I. Holden 1889-8
NEBC: 00909541 Elachista fracta H.Gran USA: Maine [data not captured] I. Holden 1890-8-2
NEBC: 00909453 Leathesia difformis Areschoug USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-17
NEBC: 00909579 Punctaria latifolia Greville USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1890-8-3
Cladophoraceae NEBC: 00909498 Chaetomorpha melagonium (F. Weber & D. Mohr) Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-12
NEBC: 00909375 Cladophora arcta (Dillwyn) Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-10
NEBC: 00909376 Cladophora arcta (Dillwyn) Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-12
NEBC: 00909523 Cladophora expansa (Mertens) Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-11
NEBC: 00909397 Cladophora flexuosa (O. F. Müller) Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-12
NEBC: 00909571 Cladophora gracilis (Griffiths) Kützing USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1889-8-10
NEBC: 00909454 Cladophora rupestris (Linnaeus) Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-8
NEBC: 00909501 Cladophora sp. USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-2
FH: 00852456 Cladophora sp. USA: Connecticut Bridgeport: [no additional data] I. Holden 1889-6-2
NEBC: 00909502 Rhizoclonium riparium (Roth) Harvey USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-2
NEBC: 00909503 Rhizoclonium riparium (Roth) Harvey USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-8
NEBC: 00909435 Rhizoclonium tortuosum (Dillwyn) Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-15
Corallinaceae FH: 00618524 Corallina officinalis Linnaeus USA: Massachusetts Nahant: Nahant, MA I. Holden 1887-9-11
NEBC: 00909445 Corallina officinalis Linnaeus USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-17
Cystocloniaceae FH: 00618974 Cystoclonium purpurascens (Hudson) Kützing : North America: [data not captured] I. Holden 1886-8-11
FH: 00618969 Cystoclonium purpurascens (Hudson) Kützing USA: New York Long Island: [data not captured] I. Holden 1887-6-12
FH: 00618975 Cystoclonium purpurascens (Hudson) Kützing USA: Connecticut Bridgeport: [data not captured] I. Holden 1884-11-21
FH: 00624097 Cystoclonium purpureum cirrhosum J.Agardh ex Lily Newton USA: Connecticut Long Island: Penfield Reef, Long Island Soun... I. Holden 1887-6-12
FH: 00624099 Cystoclonium purpureum cirrhosum J.Agardh ex Lily Newton USA: Connecticut Long Island: Penfield Reef, Long Island Soun... I. Holden 1887-6-12
FH: 00624100 Cystoclonium purpureum cirrhosum J.Agardh ex Lily Newton USA: Connecticut Long Island: Penfield Reef, Long Island Soun... I. Holden 1887-6-12
FH: 00852540 Hypnea cornuta (Kützing) J. Agardh USA: Florida Soldier Key I. Holden 1887-3-3
FH: 00852542 Hypnea cornuta (Kützing) J. Agardh USA: Florida Soldier Key I. Holden 1887-3-3
FH: 00852541 Hypnea cornuta (Kützing) J. Agardh USA: Florida Soldier Key I. Holden 1887-3-3
Dasyoideae FH: 00624186 Dasya harveyi Kützing USA: Florida Key West: Key West, FL I. Holden 1887-2-12
FH: 00624366 Dasya pedicellata (C. Agardh) C. Agardh USA: Florida Cape Florida, FL I. Holden 1887-2-21
FH: 00624368 Dasya pedicellata (C. Agardh) C. Agardh USA: Florida Cape Florida, FL I. Holden 1887-2-25
Delesserieae NEBC: 00909448 Delesseria sinuosa J. V. Lamouroux USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-8
Delesserioideae FH: 00789092 Caloglossa leprieurii (Montagne) G. Martens USA: Connecticut Bridgeport: [data not captured] I. Holden 175 1890-11-1
FH: 00789095 Caloglossa leprieurii (Montagne) G. Martens USA: Connecticut Bridgeport: [data not captured] I. Holden 1890-10-26
Dennstaedtiaceae GH: 00681353 Dennstaedtia punctilobula (Michaux) T. Moore USA: Connecticut Beacon Falls: Beacon Falls I. Holden 1887-8-14
GH: 00681354 Dennstaedtia punctilobula (Michaux) T. Moore USA: Connecticut Stratford: Stratford I. Holden 1887-8-4
GH: 00681356 Dennstaedtia punctilobula (Michaux) T. Moore USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-24
GH: 00631324 Pteridium aquilinum latiusculum (Desvaux) Hultén USA: Connecticut West Stratford I. Holden 1887-7-27
NEBC: 00631326 Pteridium aquilinum latiusculum (Desvaux) Hultén USA: Connecticut Stratford: Stratford I. Holden 1887-8-25
Desmarestiaceae NEBC: 00909587 Desmarestia aculeata (Linnaeus) J. V. Lamouroux USA: Maine Southwest Harbor: [no additional data] I. Holden 1889-8-15
Dryopteridaceae GH: 00667502 Dryopteris boottii (Tuckerman) Underwood USA: Connecticut Bridgeport: Bridgeport I. Holden 1884
NEBC: 00667503 Dryopteris boottii (Tuckerman) Underwood USA: Connecticut Bridgeport: Bridgeport I. Holden 1884
GH: 00666442 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Connecticut Stratford: Stratford I. Holden 1887-7-4
GH: 00666443 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-5
NEBC: 00666444 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-5
NEBC: 00666449 Dryopteris carthusiana (Villars) H. P. Fuchs USA: Connecticut Stratford: Stratford I. Holden 1887-7-4
GH: 00704524 Dryopteris cristata (Linnaeus) A. Gray USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-21
GH: 00704525 Dryopteris cristata (Linnaeus) A. Gray USA: Connecticut West Stratford I. Holden 1888-7-25
GH: 00636167 Dryopteris intermedia (Muhlenberg ex Willdenow) A. Gray USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-5
GH: 00671546 Dryopteris marginalis (Linnaeus) A. Gray USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-6-26
GH: 00671552 Dryopteris marginalis (Linnaeus) A. Gray USA: Connecticut Fairfield: Fairfield I. Holden 1887-7-10
Ectocarpaceae NEBC: 00909582 Ectocarpus confervoides Le Jolis USA: Maine Southwest Harbor: [no additional data] I. Holden 1890-8-8
NEBC: 00909521 Ectocarpus confervoides siliculosus (Dillwyn) Kjellman USA: Maine [data not captured] I. Holden 1890-8-2
NEBC: 00909581 Ectocarpus fasciculatus Harvey USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1889-8
Equisetaceae GH: 00674499 Equisetum arvense Linnaeus USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-5-14
NEBC: 00674506 Equisetum arvense Linnaeus USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-5-28
GH: 00694413 Equisetum hyemale affine (Engelmann) A. A. Eaton USA: Connecticut Housatonic River I. Holden 1887-6-3
Erythrotrichiaceae FH: 00624943 Erythrotrichia ceramicola (Lyngbye) Areschoug USA: Connecticut Bridgeport: [no additional data] I. Holden
FH: 00624944 Erythrotrichia ceramicola (Lyngbye) Areschoug USA: Connecticut Milford: [data not captured] I. Holden 1892-9-18
FH: 00624946 Erythrotrichia ceramicola (Lyngbye) Areschoug USA: Connecticut Milford: [data not captured] I. Holden 725 1892-9-18
FH: 00624966 Erythrotrichia ciliaris (Carmichael) Thuret USA: Connecticut Bridgeport: [no additional data] I. Holden 532 1891-12-13
FH: 00624967 Erythrotrichia ciliaris (Carmichael) Thuret USA: Connecticut Bridgeport: [no additional data] I. Holden 889 1893-11-5
Fucaceae FH: 00803041 Ascophyllum mackayi (Turner) Holmes & Batters USA: Connecticut Bridgeport: Cooks Point I. Holden 1890-3-22
FH: 00284345 Fucus distichus edentatus (Bachelot Pylaie) Powell Canada: Newfoundland & Labrador Harbour Grace: Harbour Grace I. Holden 1305 1897-7-21
FH: 00284338 Fucus distichus distichus USA: Connecticut Medmont I. Holden 715a 1892-9-5
FH: 00284339 Fucus distichus distichus USA: Connecticut Medmont I. Holden 715 1892-9-5
FH: 00284340 Fucus distichus distichus USA: Connecticut Medmont I. Holden 715a 1892-9-5
FH: 00284341 Fucus distichus distichus USA: Connecticut Medmont I. Holden 679 1892-9-5
FH: 00284342 Fucus distichus distichus USA: Connecticut Medmont I. Holden 715 1892-9-5
FH: 00284343 Fucus distichus distichus USA: Connecticut Medmont I. Holden 715 1892-9-5
NEBC: 00909617 Fucus platycarpus Thuret USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1890-8-10
FH: 00284345 Fucus sp. Canada: Newfoundland & Labrador Harbour Grace: Harbour Grace I. Holden 1305 1897-7-21
FH: 00284338 Fucus sp. USA: Connecticut Medmont I. Holden 715a 1892-9-5
FH: 00284339 Fucus sp. USA: Connecticut Medmont I. Holden 715 1892-9-5
FH: 00284340 Fucus sp. USA: Connecticut Medmont I. Holden 715a 1892-9-5
FH: 00284341 Fucus sp. USA: Connecticut Medmont I. Holden 679 1892-9-5
FH: 00284342 Fucus sp. USA: Connecticut Medmont I. Holden 715 1892-9-5
FH: 00284343 Fucus sp. USA: Connecticut Medmont I. Holden 715 1892-9-5
Gelidiaceae FH: 00907028 Gelidium crinale (Hare ex Turner) Gaillon USA: New York Long Island: Port Jefferson, Long Island, NY I. Holden 1895-9-22
FH: 00907044 Gelidium crinale (Hare ex Turner) Gaillon USA: Connecticut Bridgeport: Bridgeport, CT I. Holden 1886
Gigartinaceae NEBC: 00909495 Gigartina mamillosa (Goodenough & Woodward) J. Agardh USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-17
FH: 00907600 Gigartina mamillosa (Goodenough & Woodward) J. Agardh USA: Maine Mount Desert (Hancock County): Sea Wall, Mou... I. Holden 1889-8-17
Halymeniaceae FH: 00618859 Cryptonemia crenulata (J. Agardh) J. Agardh USA: Florida Key West: [no additional data] I. Holden 1887-2-15
Kallymeniaceae FH: 00776469 Callophyllis cristata (C. Agardh) Kützing USA: Massachusetts [data not captured] I. Holden 1888-10-28
Lemaneaceae FH: 00788534 Chantransia violacea Kützing USA: Connecticut Bridgeport: [data not captured] I. Holden 1889-3-3
FH: 00618039 Chantransia violacea pilosa Brand USA: Connecticut Bridgeport: [no additional data] I. Holden 1888-12
NEBC: 00909427 Chantransia virgatula (Harvey) Thuret USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-12
NEBC: 00909547 Lemanea fucina rigida Atkinson USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-6
Liagoraceae NEBC: 00909558 Nemalion multifidum (F. Weber & D. Mohr) Chauvin USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1889-8-15
Lomentariaceae FH: 00976440 Lomentaria uncinata Martens ex Kützing USA: Connecticut Bridgeport: Seaside Park I. Holden 1885-8-28
FH: 00976441 Lomentaria uncinata Martens ex Kützing USA: Connecticut Bridgeport: [no additional data] I. Holden
FH: 00976442 Lomentaria uncinata Martens ex Kützing USA: Connecticut Bridgeport: [no additional data] I. Holden
Lycopodiaceae GH: 00661548 Huperzia lucidula (Michaux) Trevisan USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-11-13
Ophioglossaceae GH: 00654922 Botrychium dissectum Sprengel USA: Connecticut Bridgeport: Bridgeport I. Holden 1884
GH: 00654923 Botrychium dissectum Sprengel USA: Connecticut Bridgeport: Bridgeport I. Holden 1884
NEBC: 00654924 Botrychium dissectum Sprengel USA: Connecticut Bridgeport: Bridgeport I. Holden 1884
NEBC: 00654925 Botrychium dissectum Sprengel USA: Connecticut Bridgeport: Bridgeport I. Holden 1884
NEBC: 00690457 Botrychium virginianum (Linnaeus) Swartz USA: Connecticut Bridgeport: Bridgeport I. Holden 1888-6-24
Osmundaceae GH: 00639857 Osmunda claytoniana Linnaeus USA: Connecticut West Stratford I. Holden 1887-5-22
NEBC: 00772080 Osmunda regalis spectabilis (Willdenow) A. Gray USA: Connecticut West Stratford I. Holden 1887-6-24
GH: 00772081 Osmunda regalis spectabilis (Willdenow) A. Gray USA: Connecticut West Stratford I. Holden 1887-6-24
GH: 00681025 Osmundastrum cinnamomeum (Linnaeus) C. Presl USA: Connecticut West Stratford I. Holden 1887-5-22
Palmariaceae NEBC: 00909488 Halosaccion ramentaceum (Linnaeus) J. Agardh USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-8
Phyllophoraceae NEBC: 00909438 Petrocelis cruenta J. Agardh USA: Maine [data not captured] I. Holden 1890-8-7
FH: 01122559 Phyllophora membranifolia (Goodenough & Woodward) J. Agardh USA: New York Penfield Reef, L. I. Sound I. Holden 1887-5-29
FH: 01122568 Phyllophora membranifolia (Goodenough & Woodward) J. Agardh USA: Connecticut Bridgeport: Penfield Reef, Long Island Sound I. Holden 1897-9
Polyidaceae NEBC: 00909562 Polyides rotunda (Hudson) Gaillon USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1889-8-17
FH: 00890196 Polyides rotunda (Hudson) Gaillon USA: Maine Mount Desert (Hancock County): [no additiona... I. Holden 1889-8-17
Polypodiaceae NEBC: 00658285 Polypodium virginianum Linnaeus USA: Connecticut Naugatuck: Naugatuck I. Holden 1887-8-14
NEBC: 00658300 Polypodium virginianum Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
GH: 00658302 Polypodium virginianum Linnaeus USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
Pteridaceae GH: 00216875 Adiantum pedatum Linnaeus USA: Connecticut Lanesville: Great Falls I. Holden 1887-7-14
GH: 00216878 Adiantum pedatum Linnaeus USA: Connecticut Samp Mortar? I. Holden 1887-7-10
Ptiloteae FH: 01122616 Ptilota elegans Bonnemaison USA: Rhode Island Newport: [no additional data] I. Holden 1898-4
FH: 01122586 Ptilota serrata Kützing Canada: Newfoundland & Labrador Harbor Grace I. Holden 1897-7-21
NEBC: 00909496 Ptilota serrata Kützing USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8
Ralfsiaceae NEBC: 00909426 Ralfsia deusta (C. Agardh) Berkeley USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-8
FH: 00870867 Ralfsia deusta (C. Agardh) Berkeley USA: Maine [data not captured] I. Holden
FH: 00870868 Ralfsia deusta (C. Agardh) Berkeley USA: Maine [data not captured] I. Holden
Rhodomelaceae FH: 00778333 Bostrychia rivularis Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 1890-10
FH: 00778334 Bostrychia rivularis Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 169 1890-10-19
FH: 00778335 Bostrychia rivularis Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 1892-8-7
FH: 00778336 Bostrychia rivularis Harvey USA: Connecticut Bridgeport: [no additional data] I. Holden 171 1890-10-26
FH: 00976501 Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs USA: Connecticut Milford: Charles Island near Milford I. Holden 1901-9-22
FH: 00976499 Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs USA: Connecticut Milford: Charles Island I. Holden 1901-8-29
FH: 00976493 Melanothamnus harveyi (Bailey) Díaz-Tapia & Maggs USA: Connecticut Bridgeport: [no additional data] I. Holden 1886-9-5
FH: 00976514 Neosiphonia harveyi olneyi (Harvey) A. C.Mathieson & Dawes USA: Connecticut Stratford: "Fresh Pond" I. Holden 1886-9-14
NEBC: 00909442 Polysiphonia fastigiata (Roth) Greville USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-10
FH: 00976509 Polysiphonia fucoides (Hudson) Greville USA: Connecticut Long Island: Middle Ground Light I. Holden 1887-6-19
FH: 00976493 Polysiphonia harveyi Bailey USA: Connecticut Bridgeport: [no additional data] I. Holden 1886-9-5
FH: 00976499 Polysiphonia harveyi Bailey USA: Connecticut Milford: Charles Island I. Holden 1901-8-29
FH: 00976501 Polysiphonia harveyi arietina Harvey USA: Connecticut Milford: Charles Island near Milford I. Holden 1901-9-22
FH: 00976509 Polysiphonia nigrescens (Hudson) Greville ex Harvey USA: Connecticut Long Island: Middle Ground Light I. Holden 1887-6-19
FH: 00976514 Polysiphonia olneyi Harvey USA: Connecticut Stratford: "Fresh Pond" I. Holden 1886-9-14
FH: 00976510 Polysiphonia subtilissima Montagne USA: Connecticut Bridgeport: B'port I. Holden 1885-6-28
FH: 00976511 Polysiphonia subtilissima Montagne USA: Massachusetts Revere: Revere Marshes, near Linden Station I. Holden 1892-9-13
NEBC: 00909439 Polysiphonia violacea (Roth) Sprengel USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-10
NEBC: 00909494 Rhodomela subfusca (Woodward) C.Agardh USA: Maine Mount Desert Island: [data not captured] I. Holden 1889-8-12
Rhodymeniaceae NEBC: 00909613 Rhodymenia palmata (Linnaeus) Greville USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1890-8-8
FH: 00976528 Rhodymenia palmata (Linnaeus) Greville USA: Massachusetts Nahant: [no additional data] I. Holden 1887-9-11
Solieriaceae FH: 00777160 Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne USA: Connecticut Bridgeport: [no additional data] I. Holden 1887-8-28
FH: 00976457 Agardhiella tenera (J. Agardh) F. Schmitz USA: Connecticut Bridgeport: [no additional data] I. Holden 1887-8-7
FH: 00909024 Eucheuma isiforme (C. Agardh) J. Agardh USA: Florida Key West: Key West, FL I. Holden 1887-2-14
Stigonemataceae NEBC: 00909348 Stigonema mamillosum C. Agardh ex Bornet & Flahault USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-6
Thelypteridaceae GH: 00701269 Phegopteris connectilis (Michaux) Watt USA: Maine Mount Desert (Hancock County): Mount Desert I. Holden 1889-8-11
NEBC: 00631759 Phegopteris connectilis (Michaux) Watt USA: Connecticut I. Holden 1887-8-14
GH: 00631764 Phegopteris connectilis (Michaux) Watt USA: Connecticut I. Holden 1887-8-24
GH: 00631967 Phegopteris hexagonoptera (Michaux) Fée USA: Connecticut New Milford: New Milford I. Holden 1887-7-14
GH: 00631969 Phegopteris hexagonoptera (Michaux) Fée USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-8-5
GH: 00708258 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Connecticut Trumbull: Trumbull I. Holden 1887-7-3
GH: 00708259 Thelypteris noveboracensis (Linnaeus) Nieuwland USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-24
GH: 00708584 Thelypteris palustris pubescens (G. Lawson) Fernald USA: Connecticut Bridgeport: Bridgeport I. Holden 1887-7-31
Ulotrichaceae NEBC: 00909403 Codiolum longipes Foslie USA: Maine Mount Desert Island: [data not captured] I. Holden 1890-8-8
FH: 00857268 Ulothrix flacca (Dillwyn) Thuret USA: Connecticut Bridgeport: Cook's Point I. Holden 1891-3-7
Ulvaceae NEBC: 00909574 Ulva clathrata (Roth) C. Agardh USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1890-8-6
NEBC: 00909572 Ulva enteromorpha intestinalis (Linnaeus) Le Jolis USA: Maine Mount Desert (Hancock County): [data not cap... I. Holden 1890-8-2
FH: 00989359 Ulva lactuca Linnaeus USA: Connecticut Bridgeport: [no additional data] I. Holden 1889-9-15
Woodsiaceae NEBC: 00676365 Woodsia ilvensis (Linnaeus) R. Brown USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
GH: 00676366 Woodsia ilvensis (Linnaeus) R. Brown USA: Connecticut New Milford: New Milford I. Holden 1887-8-19
GH: 00676744 Woodsia obtusa (Sprengel) Torrey USA: Connecticut Fairfield: Fairfield I. Holden 1887-7-10
GH: 00676746 Woodsia obtusa (Sprengel) Torrey USA: Connecticut New Milford: New Milford I. Holden 1888-7-15
NEBC: 00676752 Woodsia obtusa (Sprengel) Torrey USA: Connecticut Fairfield: Fairfield I. Holden 1887-7-10
NEBC: 00676757 Woodsia obtusa (Sprengel) Torrey USA: Connecticut New Milford: New Milford I. Holden 1888-7-15